//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int t;
	cin>>t;
	while(t--)
	{
		int a[11];
		for(int i=1;i<=9;i++)
			cin>>a[i];
		a[10]=0;
		int upd=min(a[1],a[2]);
		a[2]-=upd;
		a[3]+=upd;
		a[1]-=upd;
		a[3]+=a[1]/3;
		a[1]%=3;
		if(a[1]==2)
			a[2]++;
		else if(a[1])
			for(int i=2;i<=9;i++)
				if(a[i])
				{
					a[i]--;
					a[i+1]++;
					break;
				}
		ll ans=1;
		for(int i=1;i<=10;i++)
			while(a[i]--)
				ans=ans*i%998244353;
		cout<<ans<<'\n';
	}
	return 0;
}